I had dropped over to visit my Auntie and walked in thinking she had heard me come in. But she hadn't, and as I passed her bedroom door I saw it was ajar. She had her back to me and was dressing to go out, but what struck me was the crack of her white buttocks between lacy crotchless panties, something I hadn't expected from her and which instantly gave me a hard-on. She didn't hear me due to the hall carpet, but turned round on seeing me in the mirror. "Don't you bother to knock?"

Nevertheless, she tried to make the best of it after that, asking if I liked her panties as I seemed to be staring at them!

Then she noticed the point in my pants and remarked "Oh, I see you do!", adding something like "I guess you would have caught me out sooner or later."

Suddenly it seemed Auntie was rather enjoying standing in front of me in bra, suspender belt, split panties, stockings and shoes, leaving nothing in her pubic area to the imagination. My discomfort, or rather my erection seemed to fascinate her. She smiled and suggested I strip to my underpants for her. I felt shocked and a little excited at the idea, but did as she asked, hiding my goods rather unsuccessfully. "Don't be shy", said Edith (that was her name). "I know boys love to watch."

She seemed taller in her heels as she walked up to me, and I could smell the perfume she had put on. It was so intoxicating it made me want to come very soon, but I didn't want to make a mess on her carpet. Auntie seemed to guess what I was thinking and the next moment she was offering me a tissue "in case I needed it." She knelt in front of me and, pulling down my underwear, kissed the head of my penis. "Why don't you come for me, there's a good boy," she murmured.

Then Edith stepped back and began to touch herself with one finger while watching me intently. It was all too much. I jerked off in big blobs right in front of her. She was fascinated and I kinda felt thrilled to have her approving like this. Auntie said "Excuse me, I have to do it now", laid back on the bed and fingered herself to a heaving climax. At that time I did not know that women masturbated, let alone my Aunt, so it was all new to me but made sense in a big way. When she had finished, we hugged and kissed and she told me "You've learned a lot, haven't you?" I certainly did.